nokia cell phone to cheap wifi router: Mobile Wi-fi Access Point

The Mobile Wi-fi Access Point: Do-it-yourself cheap, easy Internet everywhere
very nice article on bringing together a bunch of components, and what to modify to get on the air with you cell phone and router.

I recently got a new cell phone as part of my contract renewal with my cell provider. I was pleased to learn that for a two-year service agreement I could purchase a Nokia 3220 for around $40. Knowing that I could use a data cable to connect my laptop to my phone and get mobile Internet at any time, I jumped at the chance.